284 lines
7.9 KiB
C
284 lines
7.9 KiB
C
|
/* Implementation of some masking functions for the software engine */
|
||
|
|
||
|
#include "evas_common_private.h"
|
||
|
#include "evas_private.h"
|
||
|
#include "evas_filter.h"
|
||
|
#include "evas_filter_private.h"
|
||
|
#include "evas_blend_private.h"
|
||
|
|
||
|
|
||
|
// Naming convention: _func_engine_incolor_maskcolor_outcolor()
|
||
|
static Eina_Bool _mask_cpu_alpha_alpha_alpha(Evas_Filter_Command *cmd);
|
||
|
static Eina_Bool _mask_cpu_alpha_rgba_rgba(Evas_Filter_Command *cmd);
|
||
|
static Eina_Bool _mask_cpu_alpha_alpha_rgba(Evas_Filter_Command *cmd);
|
||
|
static Eina_Bool _mask_cpu_rgba_alpha_rgba(Evas_Filter_Command *cmd);
|
||
|
|
||
|
|
||
|
Evas_Filter_Apply_Func
|
||
|
evas_filter_mask_cpu_func_get(Evas_Filter_Command *cmd)
|
||
|
{
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd, NULL);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->input, NULL);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->output, NULL);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->mask, NULL);
|
||
|
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->input->backing, NULL);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->output->backing, NULL);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(cmd->mask->backing, NULL);
|
||
|
|
||
|
EINA_SAFETY_ON_FALSE_RETURN_VAL(cmd->input->w == cmd->output->w, NULL);
|
||
|
EINA_SAFETY_ON_FALSE_RETURN_VAL(cmd->input->h == cmd->output->h, NULL);
|
||
|
|
||
|
if (cmd->input->alpha_only)
|
||
|
{
|
||
|
if (cmd->mask->alpha_only && cmd->output->alpha_only)
|
||
|
return _mask_cpu_alpha_alpha_alpha;
|
||
|
else if (!cmd->mask->alpha_only && !cmd->output->alpha_only)
|
||
|
return _mask_cpu_alpha_rgba_rgba;
|
||
|
else if (cmd->mask->alpha_only && !cmd->output->alpha_only)
|
||
|
return _mask_cpu_alpha_alpha_rgba;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (cmd->mask->alpha_only && !cmd->output->alpha_only)
|
||
|
return _mask_cpu_rgba_alpha_rgba;
|
||
|
else if (!cmd->mask->alpha_only && !cmd->output->alpha_only)
|
||
|
return evas_filter_blend_cpu_func_get(cmd); // Check this. Merge?
|
||
|
}
|
||
|
|
||
|
CRI("If input or mask is RGBA, then output must also be RGBA: %s [%s] %s",
|
||
|
cmd->input->alpha_only ? "alpha" : "rgba",
|
||
|
cmd->mask->alpha_only ? "alpha" : "rgba",
|
||
|
cmd->output->alpha_only ? "alpha" : "rgba");
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static Eina_Bool
|
||
|
_mask_cpu_alpha_alpha_alpha(Evas_Filter_Command *cmd)
|
||
|
{
|
||
|
Alpha_Gfx_Func func;
|
||
|
RGBA_Image *in, *out, *mask;
|
||
|
DATA8 *src, *dst, *msk;
|
||
|
int render_op = cmd->draw.render_op;
|
||
|
int w, h, mw, mh, x, y, my;
|
||
|
int stepsize, stepcount, step;
|
||
|
|
||
|
/* Mechanism:
|
||
|
* 1. Copy source to destination
|
||
|
* 2. Render mask into destination using alpha function
|
||
|
*
|
||
|
* FIXME: Could probably be optimized into a single op :)
|
||
|
*/
|
||
|
|
||
|
in = (RGBA_Image *) cmd->input->backing;
|
||
|
out = (RGBA_Image *) cmd->output->backing;
|
||
|
mask = (RGBA_Image *) cmd->mask->backing;
|
||
|
|
||
|
w = cmd->input->w;
|
||
|
h = cmd->input->h;
|
||
|
mw = cmd->mask->w;
|
||
|
mh = cmd->mask->h;
|
||
|
src = in->mask.data;
|
||
|
dst = out->mask.data;
|
||
|
msk = mask->mask.data;
|
||
|
|
||
|
EINA_SAFETY_ON_FALSE_RETURN_VAL((w > 0) && (mw > 0), EINA_FALSE);
|
||
|
|
||
|
stepsize = MIN(mw, w);
|
||
|
stepcount = w / stepsize;
|
||
|
|
||
|
// First pass: copy to dest
|
||
|
if (src != dst)
|
||
|
memcpy(dst, src, w * h * sizeof(DATA8));
|
||
|
|
||
|
// Second pass: apply render op
|
||
|
func = evas_common_alpha_func_get(render_op);
|
||
|
for (y = 0, my = 0; y < h; y++, my++, msk += mw)
|
||
|
{
|
||
|
if (my >= mh)
|
||
|
{
|
||
|
my = 0;
|
||
|
msk = mask->mask.data;
|
||
|
}
|
||
|
|
||
|
for (step = 0; step < stepcount; step++, dst += stepsize)
|
||
|
func(msk, dst, stepsize);
|
||
|
|
||
|
x = stepsize * stepcount;
|
||
|
if (x < w)
|
||
|
{
|
||
|
func(msk, dst, w - x);
|
||
|
dst += w - x;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return EINA_TRUE;
|
||
|
}
|
||
|
|
||
|
static Eina_Bool
|
||
|
_mask_cpu_rgba_alpha_rgba(Evas_Filter_Command *cmd)
|
||
|
{
|
||
|
Evas_Filter_Buffer *fb;
|
||
|
Eina_Bool ok;
|
||
|
|
||
|
fb = cmd->input;
|
||
|
cmd->input = cmd->mask;
|
||
|
cmd->mask = fb;
|
||
|
|
||
|
ok = _mask_cpu_alpha_rgba_rgba(cmd);
|
||
|
|
||
|
fb = cmd->input;
|
||
|
cmd->input = cmd->mask;
|
||
|
cmd->mask = fb;
|
||
|
|
||
|
return ok;
|
||
|
}
|
||
|
|
||
|
static Eina_Bool
|
||
|
_mask_cpu_alpha_rgba_rgba(Evas_Filter_Command *cmd)
|
||
|
{
|
||
|
RGBA_Gfx_Func func1, func2;
|
||
|
RGBA_Image *in, *out, *mask;
|
||
|
DATA8 *src;
|
||
|
DATA32 *dst, *msk, *span;
|
||
|
int op = cmd->draw.render_op;
|
||
|
int w, h, mw, mh, x, y, my;
|
||
|
int stepsize, stepcount, step;
|
||
|
DATA32 color2;
|
||
|
|
||
|
/* Mechanism:
|
||
|
* 1. Render mask to span using input as mask
|
||
|
* 2. Render span into destination
|
||
|
*
|
||
|
* FIXME: Could probably be optimized into a single op :)
|
||
|
*/
|
||
|
|
||
|
in = (RGBA_Image *) cmd->input->backing;
|
||
|
out = (RGBA_Image *) cmd->output->backing;
|
||
|
mask = (RGBA_Image *) cmd->mask->backing;
|
||
|
|
||
|
w = cmd->input->w;
|
||
|
h = cmd->input->h;
|
||
|
mw = cmd->mask->w;
|
||
|
mh = cmd->mask->h;
|
||
|
src = in->mask.data;
|
||
|
dst = out->image.data;
|
||
|
msk = mask->image.data;
|
||
|
|
||
|
color2 = ARGB_JOIN(cmd->draw.A, cmd->draw.R, cmd->draw.G, cmd->draw.B);
|
||
|
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(src, EINA_FALSE);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(dst, EINA_FALSE);
|
||
|
EINA_SAFETY_ON_NULL_RETURN_VAL(msk, EINA_FALSE);
|
||
|
EINA_SAFETY_ON_FALSE_RETURN_VAL((w > 0) && (mw > 0), EINA_FALSE);
|
||
|
|
||
|
stepsize = MIN(mw, w);
|
||
|
stepcount = w / stepsize;
|
||
|
span = malloc(stepsize * sizeof(DATA32));
|
||
|
|
||
|
func1 = evas_common_gfx_func_composite_pixel_mask_span_get(mask, out, 1, EVAS_RENDER_COPY);
|
||
|
func2 = evas_common_gfx_func_composite_pixel_color_span_get(mask, color2, out, 1, op);
|
||
|
|
||
|
for (y = 0, my = 0; y < h; y++, my++, msk += stepsize)
|
||
|
{
|
||
|
if (my >= mh)
|
||
|
{
|
||
|
my = 0;
|
||
|
msk = mask->image.data;
|
||
|
}
|
||
|
|
||
|
for (step = 0; step < stepcount; step++, dst += stepsize, src += stepsize)
|
||
|
{
|
||
|
memset(span, 0, stepsize * sizeof(DATA32));
|
||
|
func1(msk, src, 0, span, stepsize);
|
||
|
func2(span, NULL, color2, dst, stepsize);
|
||
|
}
|
||
|
|
||
|
x = stepsize * stepcount;
|
||
|
if (x < w)
|
||
|
{
|
||
|
memset(span, 0, (w - x) * sizeof(DATA32));
|
||
|
func1(msk, src, 0, span, w - x);
|
||
|
func2(span, NULL, color2, dst, w - x);
|
||
|
dst += w - x;
|
||
|
src += w - x;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
free(span);
|
||
|
return EINA_TRUE;
|
||
|
}
|
||
|
|
||
|
static Eina_Bool
|
||
|
_mask_cpu_alpha_alpha_rgba(Evas_Filter_Command *cmd)
|
||
|
{
|
||
|
RGBA_Gfx_Func func;
|
||
|
Alpha_Gfx_Func span_func;
|
||
|
RGBA_Image *in, *out, *mask;
|
||
|
DATA8 *src, *msk, *span;
|
||
|
DATA32 *dst;
|
||
|
DATA32 color;
|
||
|
int op = cmd->draw.render_op;
|
||
|
int w, h, mw, mh, x, y, my;
|
||
|
int stepsize, stepcount, step;
|
||
|
|
||
|
/* Mechanism:
|
||
|
* 1. Copy mask to span buffer (1 line)
|
||
|
* 2. Multiply source by span (so that: span = mask * source)
|
||
|
* 3. Render span to destination using color (blend)
|
||
|
*
|
||
|
* FIXME: Could probably be optimized into a single op :)
|
||
|
*/
|
||
|
|
||
|
in = (RGBA_Image *) cmd->input->backing;
|
||
|
out = (RGBA_Image *) cmd->output->backing;
|
||
|
mask = (RGBA_Image *) cmd->mask->backing;
|
||
|
|
||
|
w = cmd->input->w;
|
||
|
h = cmd->input->h;
|
||
|
mw = cmd->mask->w;
|
||
|
mh = cmd->mask->h;
|
||
|
src = in->mask.data;
|
||
|
dst = out->image.data;
|
||
|
msk = mask->mask.data;
|
||
|
color = ARGB_JOIN(cmd->draw.A, cmd->draw.R, cmd->draw.G, cmd->draw.B);
|
||
|
|
||
|
EINA_SAFETY_ON_FALSE_RETURN_VAL((w > 0) && (mw > 0), EINA_FALSE);
|
||
|
|
||
|
stepsize = MIN(mw, w);
|
||
|
stepcount = w / stepsize;
|
||
|
span = malloc(stepsize * sizeof(DATA8));
|
||
|
|
||
|
func = evas_common_gfx_func_composite_mask_color_span_get(color, out, 1, op);
|
||
|
span_func = evas_common_alpha_func_get(EVAS_RENDER_MASK);
|
||
|
|
||
|
for (y = 0, my = 0; y < h; y++, my++, msk += stepsize)
|
||
|
{
|
||
|
if (my >= mh)
|
||
|
{
|
||
|
my = 0;
|
||
|
msk = mask->mask.data;
|
||
|
}
|
||
|
|
||
|
for (step = 0; step < stepcount; step++, dst += stepsize, src += stepsize)
|
||
|
{
|
||
|
memcpy(span, msk, stepsize * sizeof(DATA8));
|
||
|
span_func(src, span, stepsize);
|
||
|
func(NULL, span, color, dst, stepsize);
|
||
|
}
|
||
|
|
||
|
x = stepsize * stepcount;
|
||
|
if (x < w)
|
||
|
{
|
||
|
memcpy(span, msk, (w - x) * sizeof(DATA8));
|
||
|
span_func(src, span, w - x);
|
||
|
func(NULL, span, color, dst, w - x);
|
||
|
dst += w - x;
|
||
|
src += w - x;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
free(span);
|
||
|
return EINA_TRUE;
|
||
|
}
|